Universal Audio Apollo Solo Thunderbolt 3 Audio Interface

All specifications are typical performance unless otherwise noted, tested under the following conditions: 48 kHz internal sample rate, 24-bit sample depth, 20 kHz measurement bandwidth, with balanced inputs and outputs.

SYSTEM:

I/O Complement:
- Microphone Inputs: Two
- Analog Line Inputs: Two
- Hi-Z Instrument Inputs: One
- Analog Monitor Outputs: Two (one stereo pair)
- Headphone Outputs: One stereo
- Thunderbolt 3 Port: One

A/D – D/A Conversion:
- Supported Sample Rates (kHz): 44.1, 48, 88.2, 96, 176.4, 192
- Bit Depth Per Sample: 24
- Simultaneous A/D conversion: Two channels
- Simultaneous D/A conversion: Four channels
- Analog Round-Trip Latency: 1.1 milliseconds @ 96 kHz sample rate
- Analog Round-Trip Latency with up to five serial UAD Powered Plug-Ins via Console application: 1.1 milliseconds @ 96 kHz sample rate

ANALOG I/O:

Frequency Response: 20 Hz - 20 kHz, ±0.1 dB

Line Inputs 1 & 2:
- Connector Type: 1/4" Female TRS Balanced (Combo XLR/TRS)
- Dynamic Range: 118 dB (A–weighting)
- Total Harmonic Distortion + Noise: –107 dBFS
- Input Impedance: 10K Ohms (differential)
- Gain Range: +10 dB to +65 dB
- Maximum Input Level (600 Ohm source): +20.7 dBu

Microphone Inputs 1 & 2:
- Connector Type: XLR Female, pin 2 positive (Combo XLR/TRS)
- Phantom Power: +48V (switchable per mic input)
- Dynamic Range: 118 dB (A–weighting)
- Total Harmonic Distortion + Noise: -108 dBFS
- Default Input Impedance: 5.5K Ohms (variable via Unison plug-ins)
- Gain Range: +10 dB to +65 dB
- Pad Attenuation (switchable per input): 20 dB (variable via Unison plug-ins)
- Maximum Input Level: +25.2 dBu (minimum gain, pad engaged)

Hi-Z Instrument Input:
- Connector Type Female 1/4" TS Unbalanced
- Dynamic Range: 118 dB (A–weighting)
- Total Harmonic Distortion + Noise: -105 dBFS
- Input Impedance (variable via Unison plug-ins): 1M Ohms
- Gain Range: +10 dB to +65 dB
- Maximum Input Level (@ minimum gain): +12.5 dBu

Outputs 1 & 2:
- Connector Type: 1/4" Female TRS Balanced
- Output Impedance: 100 Ohms (differential)
- Dynamic Range: 115 dB (A–weighting)
- Total Harmonic Distortion + Noise: -106 dBFS
- Maximum Output Level: +20.7 dBu
- Operating Reference Level: +14 dBu, +20 dBu (selectable)

Stereo Headphones Output:
- Connector Type: 1/4" Female TRS Stereo
- Dynamic Range (A–weighting): 115 dB (600 Ohm load), 114 dB (32 Ohm load)
- Total Harmonic Distortion + Noise (A–weighting): -97 dB (600 Ohm load), -88 dB (32 Ohm load)
- Maximum Output Power: 62 mW (300 Ohm load), 240 mW (32 Ohm load)

ELECTRICAL:
- Power Supply: None (Bus powered via Thunderbolt 3)
- Maximum Power Consumption: 10 Watts

ENVIRONMENTAL:
- Operating Temperature Range: 32 to 95 degrees Fahrenheit (0 to 35 degrees Celsius)
- Storage Temperature Range: -40 to 176 degrees Fahrenheit (-40 to 80 degrees Celsius)
- Operating Humidity Range: 20% to 80%

MECHANICAL:

Dimensions:
- Width: 7.1" (179.9 mm)
- Height (front): 1.0" (25.2 mm)
- Height (rear): 1.8" (46.7 mm)
- Depth: 4.8" (121.1 mm)
- Shipping Box (Length x Width x Height): 8.5 x 6.4 x 2.63 inches (216 x 162 x 68 mm)

Weight:
- Weight (bare unit): 1.38 lbs (0.63 Kg)
- Shipping Weight (with box): 4 lbs (1.8 Kg)

Package Contents:
- Apollo Solo Thunderbolt 3 Bus Powered Audio Interface
- Getting Started URL Card
Dimensions and Weight in Packaging
Heritage Edition: Includes premium suite of 5 UAD plug-in titles valued at $1,345
Shipping Weight: 2.75 lbs
Shipping Dimensions: 9 x 7 x 5 in
Manufacturer Part Number (MPN): APLS-HE
Warehouse Resealed, Heritage Edition: Includes premium suite of 5 UAD plug-in titles valued at $1,345
Shipping Weight: 2.75 lbs
Shipping Dimensions: 9 x 7 x 5 in
Manufacturer Part Number (MPN): APLS-HE
Warehouse Resealed
Shipping Weight: 4 lbs
Shipping Dimensions: 9 x 9 x 6 in
Manufacturer Part Number (MPN): APLS
If you have additional warranty questions, please contact the manufacturer at 831-440-1176

Heritage Edition: Includes premium suite of 5 UAD plug-in titles valued at $1,345

$699.00
  • 8 x
    $87.38
  • 6 x
    $116.50
  • 4 x
    $174.75
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Which Thunderbolt 3 cable do I need to connect Apollo Solo to my computer?
  • Apollo Solo is a Thunderbolt 3 device and requires a Thunderbolt 3 cable. Not all USB-C cables support Thunderbolt 3. Check out Universal Audio's FAQ here: Learn more »

Special Offer: Get FREE Auto‑Tune, Helios & UA Plug‑Ins
  • Get premium plug-ins from Antares, Helios, and more, absolutely FREE from UA when you purchase and register this interface! Learn more »

5 Plug-in Collections Included with Heritage Edition:
  • UA 1176 Collection, Teletronix LA‑2A Classic Leveler Collection, Pultec Passive EQ Collection, UA 610 Tube Preamp & EQ Collection, UA Pure Plate Reverb
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